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Finding the Fourth Proportional to 124,173.89, 171,359.94 and 67,585.67

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Solution

The fourth proportional to 124,173.89, 171,359.94 and 67,585.67 is: 93,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,173.89 : 171,359.94 = 67,585.67 : x
  2. Step 2: Convert to fraction form
    124,173.89/171,359.94 = 67,585.67/x
  3. Step 3: Cross multiply
    124,173.89x = 171,359.94 × 67,585.67
  4. Step 4: Simplify right side
    124,173.89x = 11,581,476,356.06
  5. Step 5: Solve for x
    x = 11,581,476,356.06/124,173.89
  6. Step 6: Final answer
    x = 93,268.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.